Home / 784,505,758.08-1,082,667,113.28-432,081,678.72

Finding the Fourth Proportional to 784,505,758.08, 1,082,667,113.28 and 432,081,678.72

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Solution

The fourth proportional to 784,505,758.08, 1,082,667,113.28 and 432,081,678.72 is: 596,299,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,505,758.08 : 1,082,667,113.28 = 432,081,678.72 : x
  2. Step 2: Convert to fraction form
    784,505,758.08/1,082,667,113.28 = 432,081,678.72/x
  3. Step 3: Cross multiply
    784,505,758.08x = 1,082,667,113.28 × 432,081,678.72
  4. Step 4: Simplify right side
    784,505,758.08x = 467,800,623,800,958,848
  5. Step 5: Solve for x
    x = 467,800,623,800,958,848/784,505,758.08
  6. Step 6: Final answer
    x = 596,299,796.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.